Solid Backup Ring 6.500" x 7.000" x 0.085" - Polyurethane

Product Details : Solid Backup Ring 6.500" x 7.000" x 0.085" - Polyurethane

• Part No: 8-439/U
• Product Category: O-Rings
• Product Type: Solid Backup Ring
• Series: -XXX/U
• Dash No.: -439
• Material(s): Polyurethane
• Material Code: AU
• Durometer: 95A
• Temperature Range: -60°F to +250°F (-51°C to +121°C)
• Surface Speed: < 1.6 ft/s (0.5 m/s)
• System Of Measurement: Inch
• Dimensions: 6.500" x 7.000" x 0.085"
• Nominal I.D.: 6.500"
• Nominal O.D.: 7.000"
• Nominal Width (W): 0.250"
• Actual Thickness (T): 0.085"
• Actual Width (W): 0.236"
• Details:
  •Back-Up Rings are predominantly used in conjunction with O-rings for both static and dynamic sealing applications
  •They prevent the O-ring from extruding when it is subjected to high pressures, or when clearance gaps are excessive

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*Photos for reference purposes only.